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s2008m [1.1K]
3 years ago
5

ben helps his dad make chicken soup. their recipe makes 15 cups of soup. if they each eat 2 cups and freeze the rest will the le

ftovers fit in a 64 ounce container? 1 cup = 8 ounces
Chemistry
1 answer:
VikaD [51]3 years ago
5 0
No ,8 x 15 is 90,90-4 is 86
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A chemical indicator that changes colors depending on the concentration of h+ in the solution is called a
DanielleElmas [232]
Answer is: acid-base indicator or pH indicators.

Acid-base indicators are usually weak acids or bases and they are chemical<span> detectors for hydrogen or hydronium cations.</span>
Example for acid-base indicator is phenolphthalein (molecular formula C₂₀H₁₄O₄). Phenolphthalein is <span>colorless in </span>acidic<span> solutions and pink in </span>basic<span> solutions.
Another example is m</span><span>ethyl orange. It is red colour in acidic solutions and yellow colour in basic solutions.</span>

3 0
3 years ago
Need help balancing equations
Reptile [31]
The answers is 2 1 4 3
8 0
3 years ago
In which direction did the following equilibrium shift when it was placed in the hot water bath? [CoCl4] 2- (aq) + 6H2O (l) ⇌ [C
djyliett [7]

Answer:

The equilibrium position will shift towards the lefthand side.

Explanation:

[CoCl4] 2- (aq) + 6H2O (l) ⇌ [Co(H2O)6] 2+ (aq) + 4 Cl- (aq)

The equation written above in exothermic as written. That is, the forward reaction is exothermic. The equilibrium position is observable by monitoring the colour change of the solution. At the left hand side, the solution is blue but at the right hand side the solution is pink. Addition of heat (in a hot water bath) will shift the equilibrium towards the left hand side, that is formation of more [CoCl4] 2- making the solution to appear blue in colour.

3 0
3 years ago
What is the correct formula for calcium sulfate dihydrate?
Murljashka [212]

Answer:

It is CaSO4.2H2O

Explanation:

<em>C</em><em>a</em><em>l</em><em>c</em><em>i</em><em>u</em><em>m</em><em> </em><em>h</em><em>a</em><em>s</em><em> </em><em>a</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>e</em><em> </em><em>o</em><em>f</em><em> </em><em>2</em><em> </em><em>b</em><em>e</em><em>c</em><em>a</em><em>u</em><em>s</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>a</em><em>s</em><em> </em><em>o</em><em>n</em><em>l</em><em>y</em><em> </em><em>t</em><em>w</em><em>o</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>y</em><em> </em><em>e</em><em>l</em><em>e</em><em>c</em><em>t</em><em>r</em><em>o</em><em>n</em><em>s</em><em>.</em>

<em> </em><em>S</em><em>u</em><em>l</em><em>p</em><em>h</em><em>a</em><em>t</em><em>e</em><em> </em><em>(</em><em> </em><em>S</em><em>O</em><em>4</em><em>)</em><em>^</em><em>2</em><em>-</em><em> </em><em>i</em><em>s</em><em> </em><em>a</em><em> </em><em>r</em><em>a</em><em>d</em><em>i</em><em>c</em><em>a</em><em>l</em><em> </em><em>w</em><em>i</em><em>t</em><em>h</em><em> </em><em>a</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>e</em><em> </em><em>v</em><em>a</em><em>l</em><em>u</em><em>e</em><em> </em><em>o</em><em>f</em><em> </em><em>2</em><em>.</em>

<em> </em><em> </em><em>W</em><em>h</em><em>e</em><em>n</em><em> </em><em>C</em><em>a</em><em>l</em><em>c</em><em>i</em><em>u</em><em>m</em><em> </em><em>c</em><em>o</em><em>m</em><em>b</em><em>i</em><em>n</em><em>e</em><em>s</em><em> </em><em>w</em><em>i</em><em>t</em><em>h</em><em> </em><em>s</em><em>u</em><em>l</em><em>p</em><em>h</em><em>a</em><em>t</em><em>e</em><em> </em><em>i</em><em>n</em><em> </em><em>b</em><em>o</em><em>n</em><em>d</em><em>i</em><em>n</em><em>g</em><em>,</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em>F</em><em>o</em><em>r</em><em>m</em><em>u</em><em>l</em><em>a</em><em>r</em><em> </em><em>=</em><em>=</em><em>></em><em> </em> Ca<u>2</u><u>(</u>SO4)<u>2</u>

<em>B</em><em>u</em><em>t</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>2</em><em> </em><em>c</em><em>a</em><em>n</em><em>c</em><em>e</em><em>l</em><em> </em><em>out</em><em>.</em>

<em>O</em><em>v</em><em>e</em><em>r</em><em>a</em><em>l</em><em>l</em><em> </em><em>f</em><em>o</em><em>r</em><em>m</em><em>u</em><em>l</em><em>a</em><em>r</em><em>=</em><em>=</em><em>></em><em> </em>CaSO4

For hydrated, ==> CaSO4.H2O

3 0
3 years ago
You do an experiment in which you need 0.5 moles of tyrosine (C9H11NO3). How many grams must you weigh out?
Yuki888 [10]

Answer: a)  90.5g

b) 33.6 L

Explanation:-

Molar mass of tyrosine  (C_9H_{11}NO_3)= 181 g/mol

According to Avogadro's law, 1 mole of every substance weighs equal to its molar mass.

1 mole of tyrosine  (C_9H_{11}NO_3) weighs = 181 g/mol

0.5 moles of tyrosine  (C_9H_{11}NO_3) weigh =\frac{181g/mol}{1}\times 0.5moles=90.5g

b) According to Avogadro's law, 1 mole of an ideal gas occupies 22.4 Liters at Standard conditions of temperature and pressure (STP).

1 mole of gas at STP occupy = 22.4 L

1.5 moles of gas at STP occupy =\frac{22.4L}{1}\times 1.5=33.6L



5 0
3 years ago
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